Fthiotida is a regional unit in central Greece, located in the region of Thessaly. It is bordered by the Aegean Sea to the east and is known for its diverse landscapes, including mountains, plains, and coastal areas. The capital city is Lamia, which serves as an administrative and economic center for the region. The area has a rich history, with archaeological sites that reflect its ancient past. Fthiotida is also home to several natural attractions, such as the Othrys mountain range and the Garnizo river, making it a destination for outdoor activities and exploration.